Marketing description
Teha UM 28 is a formulated hemihydrate plaster (CaSO4, ½H20) produced from naturally occurring gypsum mineral. It is red in colour. This product is used to produce high performance moulds for the rooftile process, where consistent mould life and porosity are important.
Product benefits
- Designed for rooftiles press moulds
- Very high mechanical resistance
- Controlled expansion